Polyurethane Application to Transform Screen-Printed Electrode for Rapid Identification of Histamine Isolated from Fish

Figure 3

(a) Cyclic voltammograms of the modified electrode without histamine (SPE + PU + Lit 5%) and modified electrode that contains histamine to examine the potential application of histamine in 100 mmol·L⁻¹ PBS; (b) the cyclic voltammograms of NIP/SPE and MIP/SPE using lithium perchlorates (5%) in 100 mmol·L⁻¹ PBS; and (c) the spectra of the impedance of NIP/SPE and MIP/SPE in PBS (100 mmol·L⁻¹).

(a)

(b)

(c)